Liquid delivery system coupler



FIG. 1 is a perspective view of a liquid delivery system coupler embodying the new design.

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a perspective view thereof along with other components of a liquid delivery system.

The broken lines show portions of a liquid delivery system coupler that form no part of the claimed design.

The broken lines shown in FIG. 8 are for the purpose of showing environmental structure, and form no part of the claimed design. 

CLAIM The ornamental design for a liquid delivery system coupler, as shown and described. 